<%@ page import="java.util.Map" %>
<%@ page import="java.util.HashMap" %><%--
  Created by IntelliJ IDEA.
  User: hasee
  Date: 2021/6/2
  Time: 12:39
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <%
        Map<String,Object> map=new HashMap<>();
        map.put("a.a.a","aaavalue");
        map.put("b+b+b","bbbvalue");
        map.put("c-c-c","cccvalue");

        request.setAttribute("map",map);
    %>
    ${map['a.a.a']}
    ${map["b+b+b"]}
    ${map['c-c-c']}
</body>
</html>
